package com.atguigu.lease.web.app.custom.interceptor;

import com.atguigu.lease.common.context.LoginUser;
import com.atguigu.lease.common.context.LoginUserContext;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import io.jsonwebtoken.Claims;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

/**
 * @Author :冉佳
 * @CreateTime: 2025-02-11
 * @Description:
 * @Version:1.0
 **/
@Component
public class AuthenticationInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {


        String token = request.getHeader("access_token");
        if(token==null){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_AUTH);
        }else {

            // 解析token
            Claims claims = JwtUtil.parseToken(token);
            String phone = claims.get("userName", String.class);
            Long userId = claims.get("userId",Long.class);
            // 将数据放到保存作用域 或者threadLocal
            LoginUserContext.setLoginUser(new LoginUser(userId,phone));
        }
        return true;
    }
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        LoginUserContext.remove();
    }
}
